TY  - BOOK
AU  - Curtis, J. T.
AU  - Cottam, Grant.
TI  - Plant ecology workbooks: : laboratory field and reference manual
U1  - 581.5072 
PY  - 1962///
CY  - Minneapolis
PB  - Burgess
KW  - Ecología vegetal
KW  - Manuales de laboratorio
ER  -